Bass Reflex Tubes

Bass Reflex

This bass reflex tube with press-to-fit is made of 0.8 to 2.0 mm ABS, depending on length. With the exception of BR30/63 all tubes narrow towards the inside of the cabinet. Since 01.01.2002 only available in black.

Type BR30/63 BR50/145 BR50/49 BR70/185 BR100/145
order no. I-7010 I-7015 I-7015-49 I-7020 I-7008
overall diameter 42 mm 57 mm 64 mm 85 mm 117 mm
cut-out diameter 34.5 mm 48 mm 52 mm 72 mm 105 mm
tube length 63 mm 147 mm 49 mm 185 mm 145 mm
inner diameter
(narrowing)		 32 mm 44-36 mm 50-46 mm 70-61 mm 100-92 mm
price    EUR 1,09 excl. VAT: € 0.92 / $ 1.02   EUR 0,85 excl. VAT: € 0.71 / $ 0.79   EUR 0,60 excl. VAT: € 0.50 / $ 0.56   EUR 2,25 excl. VAT: € 1.89 / $ 2.10   EUR 2,19 excl. VAT: € 1.84 / $ 2.04

 

High Power

High Power possesses a wide rim with sealing surround, enabling a firm and airtight fitting. The tube narrows toward the inside of the cabinet. It is made of 2 mm black ABS. An precise cut-out is mandatory.

Type HP 35 HP 50 HP 70 HP 100
order no. I-6776 I-6777 I-6778 I-6775
overall diameter 51 mm 72 mm 101 mm 143 mm
cut-out diameter 49 mm 69 mm 97 mm 138 mm
tube length 123 mm 143 mm 163 mm 197 mm
inner diameter
(narrowing)		 35-29 mm 50-44 mm 70-61 mm 100-92 mm
price    EUR 1,70 excl. VAT: € 1.43 / $ 1.59   EUR 1,70 excl. VAT: € 1.43 / $ 1.59   EUR 2,30 excl. VAT: € 1.93 / $ 2.15   EUR 3,90 excl. VAT: € 3.28 / $ 3.64

 

High Power in blue and yellow

High Power possesses a wide rim with sealing surround, enabling a firm and airtight fitting. The tube narrows toward the inside of the cabinet. It is made of 2 mm black ABS. An precise cut-out is mandatory.

Type HP 100/142 yellow HP 100/142 blue HP 70 blue green HP 70-215 silver HP 70-115 silver
order no. str-hp100-ge str-hp100-bl str-hp70-bg str-hp70-215-si str-hp70-115-si
color daffodil yellow perl night blue blue green silver silver
RAL color chart RAL 1007 RAL 5026 ? (RAL 9022) (RAL 9022)
overall diameter 143 mm 143 mm 101 mm 101 mm 101 mm
cut-out diameter 138 mm 138 mm 97 mm 97 mm 97 mm
tube length 142 mm 142 mm 163 mm 215 mm 115 mm
inner diameter
(narrowing)		 100-93 mm 100-93 mm 71-61 mm 71-58 mm 71-63 mm
price    EUR 3,90 excl. VAT: € 3.28 / $ 3.64   EUR 4,50 excl. VAT: € 3.78 / $ 4.20   EUR 2,30 excl. VAT: € 1.93 / $ 2.15   - not available   - not available

 

Flared Port

The flared port tube is made of 1.5 mm black ABS. The tube narrows towards the inside of the cabinet. The port flares considerably at the entry allowing manual tuning of resonators or other port types. The tube is of high quality and suited for DIY (the cut-out doesn't need to be absolutely accurate). Just cut the tube to the required length.

Type TR44 TR60 TR61 TR72 TR76 TR106
order no. str-tr44 str-tr60 str-tr61 I-6996 str-tr76 str-tr106
overall diameter 75 mm 100 mm 100 mm 119.5 mm 110 mm 159 mm
cut-out diameter 65 mm 85.5 mm 85.5 mm 102 mm 96.5 mm 144 mm
tube length 110 mm 120 mm 185 mm 145 mm 155 mm 101 mm
inner diameter
behind flared port		 44-39 mm 60-58 mm 61-56 mm 72-66 mm 76-70 mm 106-102 mm
price   EUR 1,65 excl. VAT: € 1.39 / $ 1.54   EUR 1,95 excl. VAT: € 1.64 / $ 1.82   EUR 2,30 excl. VAT: € 1.93 / $ 2.15   - not available (_)   EUR 2,50 excl. VAT: € 2.10 / $ 2.33   EUR 2,80 excl. VAT: € 2.35 / $ 2.61

 

Jetline
The Jetline is made of 1.5 mm black ABS. The tube flares on both sides, thus not having any sharp edges for smooth air stream. The disadvantage is that the tube cannot be shortened for tuning. The tube is of high quality and suited for DIY (the cut-out doesn't need to be absolutely accurate).

Type Jetline 45 Jetline 60 Jetline 72
order no. I-7003 I-7004 I-7006
overall diameter 75 mm 100 mm 120 mm
cut-out diameter 65 mm 87 mm 104 mm
tube length 141 mm 141 mm 141 mm
inner diameter
behind flared port		 45-39 mm 60-54 mm 72-67 mm
price    EUR 2,95 excl. VAT: € 2.48 / $ 2.75   EUR 3,40 excl. VAT: € 2.86 / $ 3.17   EUR 3,60 excl. VAT: € 3.03 / $ 3.36

 

Varioflex
Variable bass reflex tube possesses a wide rim . It is made of black ABS and its tube length is adjustable. The tube possesses a flange with 4 screw holes.

Type BR 50V BR 70V BR 100V
order no. I-6997 I-6998 I-6999
overall diameter 80 mm 96 mm 145 mm
cut-out diameter 60 mm 76 mm 121 mm
tube length 150-290 mm 138-250 mm 140-270 mm
inner diameter 50 mm 66 mm 110 mm
material thickness 2.5 mm 2.5 mm 3.0 mm
price    EUR 5,80 excl. VAT: € 4.87 / $ 5.41   EUR 8,90 excl. VAT: € 7.48 / $ 8.30   EUR 11,50 excl. VAT: € 9.66 / $ 10.73

Please note: The Monacor MBR-110 is equivalent to Intertechnik's I-6999.
 

Visaton BR25.50

Variable 3 part Bass reflex tube that can be shortened
  • for 97 mm cut-out
  • with 50 cm2 opening (80 mm diameter)
  • 25 cm length (can be shortened to 20 cm).

Price per unit   (Order No V-5216) EUR 16,30 excl. VAT: € 13.70 / $ 15.20
 

Jet Set

Initially we thought the Jet Set to be a very expensive toy. Meanwhile the tube's features proofed us wrong. Jet Set is a flexible bass reflex tube system consisting of three parts. Flared ports on both ends and middle part that is variable in length. The tube needs to be attached to the cabinet with six screws.

Type JET SET 70 JET SET 100
overall diameter 145 mm 180 mm
cut-out diameter 117 mm 149 mm
maximum total length 352 mm 452 mm
minimum total length 105 mm 105 mm
inner diameter 70 mm 100 mm
price outer flared port   EUR 7,70 excl. VAT: € 6.47 / $ 7.18   EUR 7,90 excl. VAT: € 6.64 / $ 7.37
price middle part   EUR 10,90 excl. VAT: € 9.16 / $ 10.17   EUR 13,10 excl. VAT: € 11.01 / $ 12.22
price inner flared port   EUR 5,20 excl. VAT: € 4.37 / $ 4.85   EUR 5,10 excl. VAT: € 4.29 / $ 4.76
price 90 deg angle   EUR 10,90 excl. VAT: € 9.16 / $ 10.17   EUR 12,30 excl. VAT: € 10.34 / $ 11.47